Use the 4.0 tools

llvm-swift · Aug 27, 2018 · e3b750e · e3b750e
1 parent f85b813
commit e3b750e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/Package.swift b/Package.swift
@@ -1,3 +1,4 @@
+// swift-tools-version:4.0
 import PackageDescription
 
 let package = Package(